3 (2025/2026) ALL 500 COMPLETE QUESTIONS AND
DETAILED CORRECT ANSWERS |EXPERT
Page | 1
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CCNA
Pass the CCNA 200-301 exam 2025/2026 with confidence. This resource
features questions in areas like: IP connectivity, network access, security
fundamentals, automation, and programmability. This study guide is perfect
for IT students and entry-level professionals preparing for Cisco
certification.
What is the primary purpose of a VLAN? ...... ANSWER ......To create
a broadcast domain; enable segmentation or isolation of broadcast
traffic
Unassigned Cisco switch ports remain in which VLAN? ...... ANSWER
......VLAN 1
Do VLANs prevent broadcast storms? ...... ANSWER ......No, they
minimize the size and effect of the broadcast storm on neighbor
switches and hosts
What are four advantages to using VLANs? ...... ANSWER ......1.
Enable access to network services based on logical requirements
, 2. Network security is optimized with VLANs that enable managing
and filtering sensitive traffic from other network traffic
3. Bandwidth efficiency is accomplished through segmenting traffic
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4. Easier add/move/delete administration of endpoints on a network
and scalability for larger enterprise deployments
What is the Layer 2 Broadcast Destination Address? ...... ANSWER
......FFFF.FFFF.FFFF
What is the Layer 3 Broadcast Destination Address? ...... ANSWER
......255.255.255.255
What is VLAN 1 used for and can it be deleted? ...... ANSWER
......Management Traffic; it cannot be deleted
What is the normal VLAN range? ...... ANSWER ......VLAN 2 - 1001
What is the extended VLAN range? ...... ANSWER ......VLAN 1006 -
4094
What VLANs are auto-created and cannot be deleted? ...... ANSWER
......VLAN 1, 1002 - 1005
, What VLANs cannot be pruned from a trunk? ...... ANSWER
......VLAN 1006 - 4094
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How many VLANs can be assigned to a switch access port? ......
ANSWER ......Only one VLAN unless you are connecting an IP phone
What commands would you use to setup a switch access port with an IP
phone? ...... ANSWER ......interface <interface#/#>
switchport mode access
switchport access vlan #
switchport voice vlan #
Where is the switch VLAN configuration stored? ...... ANSWER
......vlan.dat file
What commands would you use to globally create and name a VLAN?
...... ANSWER ......vlan #
name <name_of_vlan>
What is the default switch port mode? ...... ANSWER ......Access port
What will switch access ports do with am Ethernet frame it receives with
an 802.1q tag? ...... ANSWER ......It will discard the packet without
learning the source MAC address
, What command would you use to configure a range of switch ports? ......
ANSWER ......interface range gigabitethernet#/# - #
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What command lists all VLANs configured on a switch? ...... ANSWER
......show vlan or show vlan brief
What command is used to display the switch ports assigned to a single
VLAN? ...... ANSWER ......show vlan id <vlan>
When are data messages forwarded to the default gateway? ......
ANSWER ......When the destination subnet is on a different subnet
than the endpoint
Does the Cisco default switch configuration have an IP default gateway?
...... ANSWER ......No
What command is used to create an IP default gateway? ...... ANSWER
......ip default-gateway <ip_address>
What is the primary purpose of a switch? ...... ANSWER ......To make
forwarding decisions based on destination MAC address
List the network services provided by switches ...... ANSWER ......-
Only read Ethernet frame headers and forward traffic
- Create and maintain the MAC address table